Looking to repair a Nuvi 750, Nuvi 765T and Nuvi 3790LMT
Fri, 12/08/2017 - 10:51pm
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12 years
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750 working but needs a new battery, 765 and 3790 have cracked digitizers but LCDs appear to be intact and could both probably use new batteries as well. Would like to repair the 3790 the most but only if I can get it done at a reasonable price and looking for somewhere near Columbus, OH.
I am okay with mailing the items if need be.
THanks for the help a google search hasn't turned much up.
A Few Options
You can try Sharcnet.com for repair prices but you may pay more than these older units are really worth.
http://www.sharc.net/gps_repair.htm
You can also get quotes from SatNav repair:
https://satnavrepairservice.com/repair-satnav/garmin-repair/...
If you are at all handy with tools, you may be able to do the work yourself. The 750 and 765 use the same battery which is available on eBay for $8:
https://www.ebay.com/itm/Battery-for-Garmin-Nuvi-710-750-755...
Amazon sells a replacement kit for the 750 with instructions and the necessary tools for $24
https://www.amazon.com/Garmin-Nuvi-750-Installation-010-0058...
Here is a youtube video on how to replace the 750 battery:
https://www.youtube.com/watch?v=yxP4PdRB_98
The process is similar for the 765:
https://www.youtube.com/watch?v=sp8Fm5jsLN4
The digitizer for the 765 is also available on eBay for $5:
https://www.ebay.com/i/253096704882?chn=ps
Youtube instructions:
https://www.youtube.com/watch?v=SC_sEKpaOk4
Digitizer screens are also available for the 3790 on eBay for $44:
https://www.ebay.com/itm/FOR-Garmin-nuvi-3790-3790T-GPS-LCD-...
Detailed 3 part Youtube replacement instructions for the 3790 are available here:
Part 1: https://www.youtube.com/watch?v=81TZTX2bdiM
Part 2: https://www.youtube.com/watch?v=ZIISo1S8AgY
Part 3: https://www.youtube.com/watch?v=giai2fSK8sQ
If there is something specific about these older models that makes spending the $$ worth it, another option would be to look at used units on eBay. Otherwise, shopping out a newer, similarly featured, refurbished model might be a better option.
Good luck!
My thoughts
Given what you've written, I think the 750 and 765 are do-able at a reasonable cost if you feel up to doing the work yourself. The 750 battery replacement is quite easy. A 765 digitizer replacement will be more of a challenge to do yourself. Check YouTube for videos of the procedure. Digitizers may be findable on eBay.
If you don't want to do the work yourself, the 3790 may be worth repairing although you should compare the repair price with the price of a Factory Refurbed newer device. GPSCity has several refurbished Garmin devices.
For repairs, I suggest you look at sharcnet for options and prices. It does appear that they do not repair any nuvi 3xxx device but they could repair the 765 for you and replace the 750 battery if you didn't want to do it yourself:
http://www.sharc.net/gps_repair.htm
[Later] bdh... beat me and has a more thorough response!
Nuvi 750 battery replacement
750 battery is a cinch, I replaced mine in 2012, and it is still going strong.
$7.44 with Prime
https://www.amazon.com/gp/product/B00487XJZ4/ref=oh_aui_sear...